Category Archives: methods

Validate optional parameters in C#

Posted on October 30, 2017 by Rod Stephens

The example Use named and optional parameters in C# explains how to use named and optional parameters to let the calling code omit any combination of parameters. In many applications, you may not want to allow the user to omit … Continue reading →

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Use named and optional parameters in C#

Posted on October 28, 2017 by Rod Stephens

Optional parameters is one of the few additions in recent versions of Visual Studio that are really useful. I usually try to post examples in an older version of C# because it’s easier for someone to move an older example … Continue reading →

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Make generic Min and Max methods in C#

Posted on May 27, 2015 by RodStephens

This example shows how you can make generic Min and Max methods to find the minimum and maximum values in a sequence of parameters. The Math namespace’s Min and Max methods are very useful, but they have two big drawbacks. … Continue reading →

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Let controls share event handlers in C#

Posted on December 29, 2014 by Rod Stephens

Sometimes it would be useful to let controls share event handlers. Often a program has several controls that do almost the same thing. It would be nice if they could share the same event handler to increase code reuse, but … Continue reading →

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Use the params keyword in C#

Posted on December 28, 2014 by Rod Stephens

If you use the params keyword before an array parameter used as the last parameter in a method, then the calling code can pass any number of values for that parameter. The following code defines a ShowValues method that can … Continue reading →

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